CN201862643U

CN201862643U - Centrifugal slurry injection type brushing roll

Info

Publication number: CN201862643U
Application number: CN201020583701XU
Authority: CN
Inventors: 段明南; 姜正连
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd
Priority date: 2010-10-29
Filing date: 2010-10-29
Publication date: 2011-06-15
Anticipated expiration: 2020-10-29

Abstract

A centrifugal slurry injection type brushing roll comprises a brush roll, a mandrel and a plurality of blades, wherein the tube wall of the brush roll in a tube structure is provided with a plurality of injection holes, bristles are fixed to the outer surface of the tube wall, through holes are processed on the shaft wall of the mandrel as a hollow shaft in the length direction, the mandrel penetrates into the brush roll, the blades are uniformly distributed along the periphery of the mandrel, two ends of each blade are connected to the inner wall of the brush roll and the mandrel respective, an inner cavity of the brush roller is divided into a plurality of cavities in equal volumes by the blades, and each cavity is communicated with the corresponding injection hole on the tube wall of the brush roll and the corresponding through hole on the shaft wall of the mandrel. The bristled brush roll at certain rotation speed is utilized, a large amount of mixed slurry is filled in the inner cavity of the brush roll, and the slurry can enter the gaps of the bristles fully under centrifugal action generated by rotation of the slurry pump and the brush roll, thereby composite effect of brushing and grinding is realized by the mechanical effect generated by the bristles and the slurry to a metal strip when the brush roll is in brushing action against the metal strip, and brushing efficiency and quality of face of the metal strip are enhanced.

Description

A kind of centrifugal throwing slurry formula is scrubbed roller

Technical field

The utility model relates to the metal plate and belt surface cleaning equipment, and particularly a kind of centrifugal throwing slurry formula is scrubbed roller.

Background technology

Metal plate and belt usually carry out high temperature hot rolling after, for further improving its mechanical performance index and how much indexs, adopt further cold conditions rolling technique usually.For guaranteeing that the metal plate and belt surface quality of cold conditions during rolling is not subjected to the influence of the hot surface attachments that produces during rolling, metal plate and belt carried out necessary surface clean usually before cold conditions is rolling.

At present, the metal plate and belt rolling mill production line all adopts the processing mode of wet chemistry pickling to come clean metal strip surface both at home and abroad, as generally adopting at present the Acidwash solution of sulfuric acid, hydrochloric acid and hydrofluoric acid, oxide (being commonly called as " de-scaling ") and other attached crops on the chemical reaction dissolution of metals surface by acid tank inside, therefore the present cold conditions rolling line of main flow the most all has the acid cleaning process link, the acid mist that pickling descaling process section produces produces serious pollution to surrounding enviroment, and this is to production facility requirement for anticorrosion height; The acid solution processing cost of its discharging simultaneously is higher, can produce a large amount of sewage in the acid regeneration process, directly environment is caused severe contamination; In addition, adopt the pickling de-scaling to cause de-scaling inhomogeneous easily, and metal loss is big.

In order to solve the problem of environmental pollution that pickling causes, researcher has carried out a large amount of research, multiple technologies and equipment have been developed, remove the firecoat of metal surface to substitute pickling, grind the descaling method that eliminates squama, discharge de-scaling, electron beam de-scaling, laser de-scaling, grinding de-scaling, liquid rotoblasting (claiming the high pressure liquid sandblast de-scaling again), ball blast de-scaling, alternating bending de-scaling and the combination of above-mentioned distinct methods as electrolysis de-scaling, electrolysis, but all these new methods or technology all can't substitute the continuous acid-washing groove on the existing rolling product line of cold conditions.

Based on this, domestic new technology layout aspect at this de-scaling does not also have the innovation and creation that can consult, mainly also rests on local updating to external wet chemical surface cleaning apparatus, transformation etc.

Abroad, especially technology developed countries such as Japan, Germany lead the whole world all the time to the innovation of surperficial cleaning technique.Wherein Japan Patent JP06108277A discloses and adopted spray acid and the descaling process that brush roll is used in combination on the continuous cold rolling line, utilizes this compound mode to replace existing descaling bath technology.Because this mode is still wanted a large amount of use acid solutions, very strict to the requirements such as nozzle of spraying acid simultaneously, the therefore pollution problem that does not fundamentally solve cold rolling product line.

Japanese in addition JP55034688A discloses the rolling scale breading of a kind of associating PV-compound abrasive high-pressure spray de-scaling mode, compound abrasive high-pressure spray de-scaling unit is furnished with 4, the series connection form, realization is to the anacidity de-scaling of cold conditions band steel, this mode must adopt a large amount of tiny abrasive materials, and the back is because the local techniques bottleneck causes this technology can't carry out big industrialization; After Japan Patent JP57142710A discloses the first roll extrusion of a kind of employing simultaneously, utilize the mode of brush roll-high-pressure water jet that the high temperature hot rolled plate is carried out de-scaling again, its de-scaling rate reaches 80%, then continues to adopt traditional final de-scaling of pickling mode; Japan Patent JP57068217A discloses a kind of cold conditions hot-rolling metal strip cal rolling at cold rolling inlet in addition, adopts heavy reduction rate 4%～40%, realizes scale breading, loose squama, and is follow-up immediately following high-pressure spray processing (0～150kg/cm ²), the metal plate and belt after so handling can curl to deliver or directly enter cold-rolling mill and carry out cold rolling; Simultaneously, Japan Patent JP59097711A discloses a kind of compressed air+abrasive material of high pressure that adopts and has carried out the mixing jetting de-scaling, and clearance rate is up to " 65～95% ".

Simultaneously, the material manufacturing work of the U.S. (being called for short TMW company) discloses a series of at metal plate and belt surface clean technology after calendar year 2001, for example U.S. Pat 20080108281 (A1), US20080182486 (A1) and US20090227184 (A1) etc., all disclose a kind of abrasive material and mixed mud of water of utilizing and carried out jet cleaning, this mode has run into the branch, abrasive wear detection technique of abrasive material and firecoat equally and has replenished technical bottleneck such as technology automatically, therefore is difficult to realize; In addition, U.S. Pat 5388602 high pressure water jet cleaning device of West Europe Danieli company application are primarily aimed at various continuous casting billet and carry out de-scaling, can't satisfy cold rolling requirement; Japan Patent JP05092231A, JP09085329A and JP2002102915 etc., it adopts the application occasion of high-pressure water jet de-scaling only to be the forging base during hot steel billet or the forging.

In addition, be generally both at home and abroad and solve the metal plate and belt surface attachments, adopt the mode of brush roll to remove.As external 3M company design a kind of brush roll with bristle is arranged, every bristle surface all is stained with a plurality of hard particles things, as SiC particle, brown corundum etc., be used to realize the surperficial removing effect of rolling when scrubbing of brush roll and metal plate and belt, yet the hard particles thing that bristle surface adheres to comes off easily, directly influences the result of use stability of brush roll; Buried hill, Chinese Anhui brush roll factory is processed with the multiple hard brush roll that brushes at metal plate and belt surface firecoat simultaneously, its bristle is generally anti abrasive rigidity material etc., the brush roll of this form is because directly brush with steel wire, its roughness of scrubbing back plate face is big, and the uniformity of removing is difficult to be guaranteed.

Summary of the invention

The purpose of this utility model provides a kind of centrifugal throwing slurry formula and scrubs roller, utilization has the brush roll of bristle, and the brush roll inner chamber is filled a large amount of mixing muds, under the centrifugal action of slush pump and brush roll self rotation generation, mud fully enters the bristle space, and when brushing action between brush roll and metal plate and belt, bristle and mud produce mechanical function to metal plate and belt simultaneously, realization brushes and the resultant effect that grinds, and that improves the plate face scrubs efficient and quality.

For achieving the above object, the technical solution of the utility model is:

A kind of centrifugal throwing slurry formula is scrubbed roller, and it comprises, brush roll, and tube structure offers spray-hole on the barrel, and the barrel outer surface is fixed with bristle; Mandrel, hollow shaft, axial wall are processed with through hole along its length; Mandrel is arranged in the brush roll; Some blades circumferentially evenly distribute along mandrel, and two ends are connected to brush roll inwall and mandrel; Blade is separated into the suitable die cavity of a plurality of volumes with the brush roll inner chamber, and each die cavity all spray-hole of corresponding brush roll barrel with it and the through hole of mandrel axial wall is connected.

Further, the utility model comprises that also the mud that connects the mandrel two ends infeeds pipeline and slush pump.

Described blade is a sector.

Brush roll is inner because be processed with a plurality of sectors, when brush roll utilizes external drive source such as drive motors to carry out the certain speed rotation, mud fixedly is subjected to centrifugal action in the die cavity and scatters around trend at it, thereby further strengthened the diffusivity of mud, cause mud to clamp-on the contact area of bristle and metal plate and belt, improved the grinding effect of mud the metal plate and belt surface.

The utility model utilization has the brush roll of the certain rotation speed of bristle, the brush roll inner chamber is filled with a large amount of mixing muds, under the centrifugal action of slush pump and brush roll self rotation generation, mud can fully enter the bristle space, when so between brush roll and metal plate and belt, brushing action, bristle and mud produce mechanical function to metal plate and belt simultaneously, realize brushing and the resultant effect that grinds, and that improves the plate face scrubs efficient and quality.

The advantage of the relative prior art of the utility model is:

1, mud is pressed into the roll body inner chamber of brush roll automatically by slush pump, the brush roll inner chamber is processed with a plurality of sectors, evenly disperse mud with this, make mud around roll body, evenly to scatter, closely be filled in the area of space of bristle, when making brush roll scrub operation with the metal plate and belt surface during automatic rotation status, mud can be filled in the contact area of bristle and metal plate and belt fully, thereby realize brushing and the double effects that grinds, improve and scrub efficient.

2, brush roll is inner because be processed with a plurality of sectors, when brush roll utilizes external drive source to be rotated, mud fixedly is subjected to centrifugal action in the die cavity at it and scatters around trend, thereby has further strengthened the diffusivity of mud, has improved the grinding effect of mud to the metal plate and belt surface.

3, the utility model is mainly used in surface clean is carried out on the metal plate and belt surface, because belong to pure physics mode, it does not relate to pollutions such as any chemistry, dust and noise, has good environmental protection and improves ability.

Description of drawings

Fig. 1 be the utility model one embodiment front view.

Fig. 2 scrubs the cutaway view of roller for the utility model.

Fig. 3 scrubs the user mode schematic diagram of roller for the utility model.

Fig. 4 scrubs roller mud for the utility model and sprays schematic diagram.

Fig. 5 scrubs the schematic diagram that roller is being scrubbed metal plate and belt for the utility model.

The specific embodiment

Referring to Fig. 1 ~ Fig. 5, a kind of centrifugal throwing slurry formula of the present utility model is scrubbed roller, and it comprises, brush roll 1, and tube structure offers spray-hole 101 on the barrel, and the barrel outer surface is fixed with bristle 102; Mandrel 2, hollow shaft, axial wall are processed with through hole 201 along its length; Mandrel is arranged in the brush roll 1; Some blades 3 circumferentially evenly distribute along mandrel 2, and two ends are connected to brush roll 1 inwall and mandrel 2; Blade 3 is separated into the suitable die cavity of a plurality of volumes with brush roll inner chamber 100, and each die cavity all spray-hole 101 of corresponding brush roll barrel with it and the through hole 201 of mandrel 2 axial walls is connected.

In the present embodiment, the utility model comprises that also the mud that connects mandrel 2 two ends infeeds pipeline 4 and slush pump 5.Described blade 3 is a sector.

Slush pump 5 is pressed into the mud 6 that is mixed with a large amount of solid particulate matters in the mud pit 8 inner chamber 100 of brush roll 1, the brush roll outer surface is fixed with a large amount of hard bristles, be processed with a plurality of spray-holes of closely arranging simultaneously, the mud spray-hole communicates with inner die cavity, and promptly mud can circulate by between; The mud that slush pump pumps into by central tube to around scatter, enter in a plurality of die cavities of cutting; At this moment, brush roll is active rotation under the drive source effect externally, and the mud in the die cavity is subjected to be sprayed outside roll body by spray-hole automatically under the roll body centrifugal action, because this moment, mud also was subjected to the pump pressure effect of slush pump, its jet power is dual stack, and jeting effect is more obvious.

The sliding friction effect that carry out on the mixing mud 6 that the scrubbing of the utility model comprehensive utilization brush roll 1 surperficial bristle goes out with brush roll 1 jet surface and metal plate and belt 7 surfaces realizes the scrubbing action to the metal plate and belt surface.

Claims

1. a centrifugal throwing slurry formula is scrubbed roller, it is characterized in that, comprise,

Brush roll, tube structure offers spray-hole on the barrel, and the barrel outer surface is fixed with bristle;

Mandrel, hollow shaft, axial wall are processed with through hole along its length; Mandrel is arranged in the brush roll;

Some blades circumferentially evenly distribute along mandrel, and two ends are connected to brush roll inwall and mandrel; Blade is separated into the suitable die cavity of a plurality of volumes with the brush roll inner chamber, and each die cavity all spray-hole of corresponding brush roll barrel with it and the through hole of mandrel axial wall is connected.

2. centrifugal throwing slurry formula as claimed in claim 1 is scrubbed roller, it is characterized in that, comprises that also the mud that connects the mandrel two ends infeeds pipeline and slush pump.

3. centrifugal throwing slurry formula as claimed in claim 1 is scrubbed roller, it is characterized in that described blade is a sector.